package com.tkxs.tksbconfig.util;

public class StringUtil {

    /**
     *
     * @param str
     * @return
     * 如果字符串为null或者"",则返回false,否则返回true
     */
    public static boolean checkIsNull(String str){
        if (null == str || "" == str){
            return  false;
        }
        return true;
    }
}
